onthewings.stuffs.stuff8

Main.hx

/**
 * Some of the renderings can be found at
 * http://www.flickr.com/photos/andy-li/sets/72157625719497466/
 * 
 * 
 * Copyright (c) 2011, Andy Li http://www.onthewings.net/
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, 
 * this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, 
 * this list of conditions and the following disclaimer in the documentation 
 * and/or other materials provided with the distribution.
 * The name of the author may not be used to endorse or promote products derived 
 * from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package onthewings.stuffs.stuff8;

import cpp.Sys;
import hxColorToolkit.spaces.HSL;
import nme.geom.Point;
import of.Context;
import org.casalib.util.NumberUtil;
using of.Context.Functions;

using Math;
using Lambda;
using DateTools;
using StringTools;
using nme.geom.Point;
using org.casalib.util.ArrayUtil;
using org.casalib.util.NumberUtil;
using org.casalib.util.GeomUtil;
using org.casalib.util.ConversionUtil;

class Main extends BaseApp
{
	var screenCap:Image;
	var width:Int;
	var height:Int;
	var point:Array<Float>;
	var velocity:Array<Float>;
	var acceleration:Array<Float>;
	
	override public function setup():Void {		
		setFrameRate(120);
		enableAlphaBlending();
		enableSmoothing();
		background(255, 255, 255);
		setCircleResolution(100);
		
		screenCap = new Image();
		screenCap.allocate(getWidth(), getHeight(), Constants.OF_IMAGE_COLOR);
		var p = screenCap.getPixels();
		for (i in 0...p.length) {
			p[i] = cast 255;
		}
		screenCap.update();
		
		width = getWidth();
		height = getHeight();
		
		point = [];
		velocity = [];
		acceleration = [];
		for (i in 0...360) {
			point.push(0);
			velocity.push(NumberUtil.randomWithinRange(0, 1));
			acceleration.push(NumberUtil.randomWithinRange(0, 0.01));
		}
	}
	
	override public function draw():Void {
		setColor(255, 255, 255, 255);
		screenCap.draw(0, 0);
		
		translate(width * 0.5, height * 0.5);

		var rgb = new HSL(getFrameNum() * 10, 100, 50).toRGB();
		setColor(cast rgb.red, cast rgb.green, cast rgb.blue, 50);
		
		var _min = Math.POSITIVE_INFINITY;
		var _max = Math.NEGATIVE_INFINITY;
		
		for (i in 0...point.length) {
			point[i] += velocity[i];
			if (point[i] < _min) _min = point[i];
			if (point[i] > _max) _max = point[i];
			velocity[i] += acceleration[i];			
		}

		noFill();
		var ppt = point[0];
		for (i in 0...point.length) {
			var pt = new Point(point[i], 0);
			pt.rotatePoint(new Point(), i.map(0, point.length, 0, 360));
			circle(pt.x, pt.y, point[i] - ppt);
			ppt = point[i];
		}

		var tmp = velocity;
		velocity = acceleration;
		acceleration = tmp;
		
		screenCap.grabScreen(0, 0, width, height);
	}
	
	override public function keyPressed(key:Int):Void {
		if (key == 's'.charCodeAt(0)){
			screenCap.grabScreen(0, 0, width, height);
			screenCap.saveImage(Date.now().format("%Y%m%d_%H%M%S") + ".png");
		} else if (key == 'a'.charCodeAt(0)) {
			setup();
		}
	}
	
	public static function main():Void {
		AppRunner.setupOpenGL(new AppGlutWindow(), 1680, 1050, Constants.OF_FULLSCREEN);
		//AppRunner.setupOpenGL(new AppGlutWindow(), 1280, 720, Constants.OF_WINDOW);
		AppRunner.runApp(new Main());
	}
}